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Inventories (Tables)
12 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Components of Inventories
Inventories are comprised of the following:
As of September 30,
 
2019
 
 
2018
 
Raw materials
 
$
7,455
 
  $
6,689
 
Work-in-process
 
 
11,504
 
   
12,098
 
Finished goods - instruments
 
 
935
 
   
1,191
 
Finished goods - kits and reagents
 
 
19,723
 
   
22,015
 
                 
Total
 
$
39,617
 
  $
41,993